JEWEL

[noun] [C] - a precious stone which is used to decorate valuable objectsa jewel-encrusted swordShe was wearing a large gold necklace set with jewels.(specialized dated) A jewel is also a small precious stone or a piece of specially cut glass which is used in the machinery of a watch.It's a Swiss timepiece with a 17-jewel movement.If something is described as being a jewel, it is very beautiful or valuable.The Playhouse is a jewel of a theatre which has recently been restored to its former glory.Many visitors consider the Sistine Chapel to be the jewel of the Vatican.(dated) If you say that someone is a jewel, you mean that they are very kind.My son's a real jewel - he always makes me a cup of tea when I get home from work.If something is described as being the jewel in the crown of something or someone, it is the best or most valuable thing that belongs to them.The island of Tresco, with its beautiful tropical gardens, is the jewel in the crown of the Scilly Isles.